<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
import { ElMessage } from 'element-plus'
//控制注册与登录表单的显示， 默认显示注册
const isRegister = ref(false)

const registerData=ref({
  username:'',
  password:'',
  rePassWord:''
})

const checkPassWord=(rule,value,callback)=>{
  if(value===''){
    callback(new Error('请再次确认密码'))
  }else if(value!==registerData.value.password){
    callback(new Error('两次输入的密码不一致'))
  }else{
    callback()
  }
}
//定义表单数据校验规则
const rules={
    username:[
    { required: true, message: '请输入用户名', trigger: 'blur' },//鼠标失去焦点
    { min: 5, max: 16, message: '长度为5-16位非空字符', trigger: 'blur' }
    ],
    password:[
    { required: true, message: '请输入密码', trigger: 'blur' },//鼠标失去焦点
    { min: 5, max: 16, message: '长度为5-16位非空字符', trigger: 'blur' }
    ],
    rePassWord:[
        { validator:checkPassWord,trigger:'blur'}
    ]
}

//调用后台接口完成注册
import {userRegisterService,userLoginService} from '@/api/user.js'
const register=async()=>{
  let result= await  userRegisterService(registerData.value);
  if(result.code===0){
    ElMessage.success(result.msg?result.msg:'注册成功')
  }else{
    ElMessage.error(result.msg?result.msg:'注册失败')
  }
}

/* const register1=()=>{
    this.$refs.form.validate(valid => {
          if (valid) {
            // 表单验证通过，执行注册操作
           register();
          } else {
            // 表单验证不通过，不执行注册操作
           alert("注册失败")}
          });

        } */

        //导入token状态
import { useTokenStore } from '@/stores/token.js'
//调用useTokenStore得到状态
const tokenStore = useTokenStore();
 import {useRouter} from 'vue-router';
 const router=useRouter();      
//调用登录接口函数
const login=async()=>{
   let result= await userLoginService(registerData.value);
   if(result.code===0){
    //保存token
     tokenStore.setToken(result.data);
    ElMessage.success(result.msg?result.msg:'登录成功')
    router.push('/');
   }else{
   ElMessage.error(result.msg?result.msg:'登录失败')
   }
}

const clean=()=>{
    registerData.value={
        username:'',
        password:'',
        rePassWord:''
    }
}


</script>

<template>
    <el-row class="login-page">
        <el-col :span="12" class="bg"></el-col>
        <el-col :span="6" :offset="3" class="form">
            <!-- 注册表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
                <el-form-item>
                    <h1>注册</h1>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码"
                        v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item prop="rePassWord">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码"
                        v-model="registerData.rePassWord"></el-input>
                </el-form-item>
                <!-- 注册按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="register()">
                        注册
                    </el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = false;clean()">
                        ← 返回
                    </el-link>
                </el-form-item>
            </el-form>
            <!-- 登录表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-else :model="registerData" :rules="rules">
                <el-form-item>
                    <h1>登录</h1>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item class="flex">
                    <div class="flex">
                        <el-checkbox>记住我</el-checkbox>
                        <el-link type="primary" :underline="false">忘记密码？</el-link>
                    </div>
                </el-form-item>
                <!-- 登录按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
    height: 100vh;
    background-color: #fff;

    .bg {
        background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
            url('@/assets/login_bg.jpg') no-repeat center / cover;
        border-radius: 0 20px 20px 0;
    }

    .form {
        display: flex;
        flex-direction: column;
        justify-content: center;
        user-select: none;

        .title {
            margin: 0 auto;
        }

        .button {
            width: 100%;
        }

        .flex {
            width: 100%;
            display: flex;
            justify-content: space-between;
        }
    }
}
</style>